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P0444 Diagnostic Trouble Code Discussion for May 2015

EVAP Canister Purge Volume Control Solenoid Circuit Low Voltage

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Trouble Ticket Help Requests for DTC P0444
Help Request Posted
2007 Audi A4 2.0L MIL Lamp on VIN: WAUAF78E77
P0444: Tank breather valve n80 open circuit. Did search all dtb for related emission but no found. Did check all connections for emission system- ok. Did perform leak down test with smoke test when applied valves close (purge system), no found. Checked all ground for tighten- ok. What may cause check eng...
May 18, 2015